51058761 has 16 divisors (see below), whose sum is σ = 73993920. Its totient is φ = 31129920.

The previous prime is 51058741. The next prime is 51058771. The reversal of 51058761 is 16785015.

Added to its reverse (16785015) it gives a triangular number (67843776 = T₁₁₆₄₈).

It is not a de Polignac number, because 51058761 - 2¹⁰ = 51057737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51058741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1755 + ... + 10256.

It is an arithmetic number, because the mean of its divisors is an integer number (4624620).

Almost surely, 2^51058761 is an apocalyptic number.

It is an amenable number.

51058761 is a deficient number, since it is larger than the sum of its proper divisors (22935159).

51058761 is a wasteful number, since it uses less digits than its factorization.

51058761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12136.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 51058761 is about 7145.5413370857. The cubic root of 51058761 is about 370.9853477793.

Adding to 51058761 its reverse (16785015), we get a triangular number (67843776 = T₁₁₆₄₈).

The spelling of 51058761 in words is "fifty-one million, fifty-eight thousand, seven hundred sixty-one".